The Australian-native looked stunning in a white Derek Lam top and wide-leg pants and Pandora 18k gold and sterling silver Shine Exotic Hoop Earrings (179.00; at au.pandora.net). Sadly, these hoops have already sold out (we're calling it: the Margot-effect) but you can still shop similar styles in Pandora's Shine Collection.
Her ensemble is reminiscent of an iconic Marilyn Monroe dress and perfect for a press tour for a film titled: Once Upon A Time In Hollywood. Margot is portraying the late Sharon Tate, arguably, Charles Manson’s most prolific victim. Sharon Tate's tragic murder at the hands of the Manson Family on August 9th 1969 is revisited in Quinten Tarantino's highly anticipated film Once Upon A Time In Hollywood - coinciding with the fiftieth anniversary of her death - and sparking a renewed interest in her life.